Which of the following sources produces the lowest energy photons?
A) a doctor's X-ray source
B) the heat lamp in your bathroom
C) a microwave oven
D) gamma rays from a star
E) radio waves from your local station

Question

Quizplus · Accepted Answer

Radio waves have the longest wavelength and the lowest frequency in the electromagnetic spectrum, resulting in the lowest energy photons compared to other sources listed.

Which of the Following Sources Produces the Lowest Energy Photons